fabric air permeability test
... pacher permeability test 压水试验 water vapour permeability test 透湿度试验 fabric air permeability test 织物透气性试验 ...
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textile air permeability test
织物透气性试验 fabric air permeability test; textile air permeability test 织物透气性试验机 fabric permeability tester ..
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